function testWith(bool) {
    print(bool <= bool);
    print(bool <= false);
    print(false <= bool);
    print(false <= false);
    
    print(bool <= "24");
    print("86" <= bool);
    
    print(bool <= 4);
    print(4 <= bool);
    
    print(null <= bool);
    print(bool <= null);
    
}

print(true <= true);
print(true <= false);
print(false <= true);
print(false <= false);

testWith(true);
testWith(false);

